Home / 2,657,564.60-3,986,980.46-860,448.61

Finding the Fourth Proportional to 2,657,564.60, 3,986,980.46 and 860,448.61

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Solution

The fourth proportional to 2,657,564.60, 3,986,980.46 and 860,448.61 is: 1,290,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,564.60 : 3,986,980.46 = 860,448.61 : x
  2. Step 2: Convert to fraction form
    2,657,564.60/3,986,980.46 = 860,448.61/x
  3. Step 3: Cross multiply
    2,657,564.60x = 3,986,980.46 × 860,448.61
  4. Step 4: Simplify right side
    2,657,564.60x = 3,430,591,794,904.16
  5. Step 5: Solve for x
    x = 3,430,591,794,904.16/2,657,564.60
  6. Step 6: Final answer
    x = 1,290,878.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.